Home / 1,759,588.40-2,638,856-917,680.88

Finding the Fourth Proportional to 1,759,588.40, 2,638,856 and 917,680.88

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Solution

The fourth proportional to 1,759,588.40, 2,638,856 and 917,680.88 is: 1,376,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,588.40 : 2,638,856 = 917,680.88 : x
  2. Step 2: Convert to fraction form
    1,759,588.40/2,638,856 = 917,680.88/x
  3. Step 3: Cross multiply
    1,759,588.40x = 2,638,856 × 917,680.88
  4. Step 4: Simplify right side
    1,759,588.40x = 2,421,627,696,273.28
  5. Step 5: Solve for x
    x = 2,421,627,696,273.28/1,759,588.40
  6. Step 6: Final answer
    x = 1,376,246.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.